INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ce4268dcd0d90f22cb48b3372c95beb3920fc5645741b67bde78b34956a45a09', 
    'jdU3C9kLAhhlS5okpN7TNzF6eIbb6DriiBesKWQNZhQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)